Lei Ma

Experimental observation of negative group velocity in C60 PMMA

N. Wang, Yundong Zhang, P. Yuan, 2009 .

Nonlinear optical properties of phenoxy-phthalocyanines at 800 nm with femtosecond pulse excitation.

Yundong Zhang, P. Yuan, Lei Ma, 2010, Optics express.

Nonlinear-Optical and Optical Limiting Properties of Phenoxy-Phthalocyanines Studied Using the Z-Scan Technique.

Yundong Zhang, P. Yuan, Lei Ma, 2009 .

Direct observation of signal evolution of slow and fast light in media with saturated and reverse saturated absorption

Yungang Zhang, P. Yuan, Hao Wang, 2008 .

Negative group velocity in C60 due to RSA effect

Yundong Zhang, Qiuyun Ouyang, P. Yuan, 2007 .